diff options
| -rw-r--r-- | drivers/mfd/mfd-core.c | 32 | ||||
| -rw-r--r-- | drivers/mfd/tc6393xb.c | 8 | ||||
| -rw-r--r-- | include/linux/mfd/core.h | 30 |
3 files changed, 36 insertions, 34 deletions
diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c index 0454be4266c..9c9c126ed33 100644 --- a/drivers/mfd/mfd-core.c +++ b/drivers/mfd/mfd-core.c @@ -15,24 +15,24 @@ #include <linux/platform_device.h> #include <linux/mfd/core.h> -static int mfd_add_device(struct platform_device *parent, - const struct mfd_cell *cell, - struct resource *mem_base, - int irq_base) +static int mfd_add_device(struct device *parent, int id, + const struct mfd_cell *cell, + struct resource *mem_base, + int irq_base) { struct resource res[cell->num_resources]; struct platform_device *pdev; int ret = -ENOMEM; int r; - pdev = platform_device_alloc(cell->name, parent->id); + pdev = platform_device_alloc(cell->name, id); if (!pdev) goto fail_alloc; - pdev->dev.parent = &parent->dev; + pdev->dev.parent = parent; ret = platform_device_add_data(pdev, - cell, sizeof(struct mfd_cell)); + cell->platform_data, cell->data_size); if (ret) goto fail_device; @@ -75,17 +75,16 @@ fail_alloc: return ret; } -int mfd_add_devices( - struct platform_device *parent, - const struct mfd_cell *cells, int n_devs, - struct resource *mem_base, - int irq_base) +int mfd_add_devices(struct device *parent, int id, + const struct mfd_cell *cells, int n_devs, + struct resource *mem_base, + int irq_base) { int i; int ret = 0; for (i = 0; i < n_devs; i++) { - ret = mfd_add_device(parent, cells + i, mem_base, irq_base); + ret = mfd_add_device(parent, id, cells + i, mem_base, irq_base); if (ret) break; } @@ -99,14 +98,13 @@ EXPORT_SYMBOL(mfd_add_devices); static int mfd_remove_devices_fn(struct device *dev, void *unused) { - platform_device_unregister( - container_of(dev, struct platform_device, dev)); + platform_device_unregister(to_platform_device(dev)); return 0; } -void mfd_remove_devices(struct platform_device *parent) +void mfd_remove_devices(struct device *parent) { - device_for_each_child(&parent->dev, NULL, mfd_remove_devices_fn); + device_for_each_child(parent, NULL, mfd_remove_devices_fn); } EXPORT_SYMBOL(mfd_remove_devices); diff --git a/drivers/mfd/tc6393xb.c b/drivers/mfd/tc6393xb.c index 94e55e8e7ce..f4fd797c159 100644 --- a/drivers/mfd/tc6393xb.c +++ b/drivers/mfd/tc6393xb.c @@ -466,8 +466,12 @@ static int __devinit tc6393xb_probe(struct platform_device *dev) tc6393xb_attach_irq(dev); tc6393xb_cells[TC6393XB_CELL_NAND].driver_data = tcpd->nand_data; + tc6393xb_cells[TC6393XB_CELL_NAND].platform_data = + &tc6393xb_cells[TC6393XB_CELL_NAND]; + tc6393xb_cells[TC6393XB_CELL_NAND].data_size = + sizeof(tc6393xb_cells[TC6393XB_CELL_NAND]); - retval = mfd_add_devices(dev, + retval = mfd_add_devices(&dev->dev, dev->id, tc6393xb_cells, ARRAY_SIZE(tc6393xb_cells), iomem, tcpd->irq_base); @@ -501,7 +505,7 @@ static int __devexit tc6393xb_remove(struct platform_device *dev) struct tc6393xb *tc6393xb = platform_get_drvdata(dev); int ret; - mfd_remove_devices(dev); + mfd_remove_devices(&dev->dev); if (tc6393xb->irq) tc6393xb_detach_irq(dev); diff --git a/include/linux/mfd/core.h b/include/linux/mfd/core.h index bb3dd054592..49ef857cdb2 100644 --- a/include/linux/mfd/core.h +++ b/include/linux/mfd/core.h @@ -1,5 +1,3 @@ -#ifndef MFD_CORE_H -#define MFD_CORE_H /* * drivers/mfd/mfd-core.h * @@ -13,6 +11,9 @@ * */ +#ifndef MFD_CORE_H +#define MFD_CORE_H + #include <linux/platform_device.h> /* @@ -28,7 +29,13 @@ struct mfd_cell { int (*suspend)(struct platform_device *dev); int (*resume)(struct platform_device *dev); - void *driver_data; /* driver-specific data */ + /* driver-specific data for MFD-aware "cell" drivers */ + void *driver_data; + + /* platform_data can be used to either pass data to "generic" + driver or as a hook to mfd_cell for the "cell" drivers */ + void *platform_data; + size_t data_size; /* * This resources can be specified relatievly to the parent device. @@ -38,18 +45,11 @@ struct mfd_cell { const struct resource *resources; }; -static inline struct mfd_cell * -mfd_get_cell(struct platform_device *pdev) -{ - return (struct mfd_cell *)pdev->dev.platform_data; -} - -extern int mfd_add_devices( - struct platform_device *parent, - const struct mfd_cell *cells, int n_devs, - struct resource *mem_base, - int irq_base); +extern int mfd_add_devices(struct device *parent, int id, + const struct mfd_cell *cells, int n_devs, + struct resource *mem_base, + int irq_base); -extern void mfd_remove_devices(struct platform_device *parent); +extern void mfd_remove_devices(struct device *parent); #endif |